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Question
What is meant by the statement “aerobic respiration is more efficient.”?
Solution
Aerobic respiration is more efficient because fermentation accounts for only a partial breakdown of glucose, whereas in aerobic respiration it is completely degraded to CO2 and H2O. Also, in fermentation, there is a net gain of only two molecules of ATP for each molecule of glucose degraded to pyruvic acid, whereas many more molecules of ATP are generated under aerobic conditions.
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